From 36678e6c0aea407d6fac27c24435ae00f447762b Mon Sep 17 00:00:00 2001
From: Peter Karman <karpet@peknet.com>
Date: Wed, 18 Oct 2017 17:05:52 -0500
Subject: [PATCH] check for NaN on score

---
 lib/fuzzy_tools/tf_idf_index.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/fuzzy_tools/tf_idf_index.rb b/lib/fuzzy_tools/tf_idf_index.rb
index cb1ede5..b9a8ddb 100644
--- a/lib/fuzzy_tools/tf_idf_index.rb
+++ b/lib/fuzzy_tools/tf_idf_index.rb
@@ -37,7 +37,7 @@ def unsorted_scored_results(query)
 
         score = self.score(query_weighted_tokens, candidate_tokens)
 
-        [candidate, score]
+        [candidate, (score.nan? ? 0.0 : score)]
       end
     end
 
@@ -103,4 +103,4 @@ def weight_function
       end
     end
   end
-end
\ No newline at end of file
+end